package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    //套餐分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo=new Page(page,pageSize);
        Page<SetmealDto> dtoPage=new Page(page,pageSize);
        //构造条件构造器对象
        //SELECT * FROM setmeal WHERE NAME LIKE %xx% ORDER BY update_time LIMIT 1,10
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //设置条件
        queryWrapper.like(name!=null,Setmeal::getName,name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        //查询
        setmealService.page(pageInfo,queryWrapper);
        //重新组装数据,对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records"); //分页参数信息
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list=records.stream().map((item)->{
            //item: setmeal
            SetmealDto setmealDto=new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                setmealDto.setCategoryName(category.getName());
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        //返回
        return R.success(dtoPage);
    }

    //删除套餐
    @DeleteMapping   //RequestParam将数据封装到集合中
    public R<String> delete(@RequestParam List<Long> ids){
        System.out.println(ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }


    //根据条件查询套餐信息
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        System.out.println(setmeal); //category_id status
        //构造条件查询套餐数据
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null, Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list=setmealService.list(queryWrapper);
        return R.success(list);
    }
}   